Troubleshooting

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1. Plasma Television Troubleshooting

No.	Items	Notes
1	Buzzing sound from Plasma	A buzzing sound may be heard when the plasma television is turned on in a very quiet
1	display panel.	room. This is due to the plasma panel drive circuit when it is functioning. The buzzing
	display panel.	sound is normal and is not a malfunction.
		sound is normal and is not a malfunction.
2	Infrared interference	Some infrared rays are emitted from the plasma television panel that might affect the
2	Infrared interference	operation of other infrared controlling equipment.
		operation of other infrared controlling equipment.
		High precision technology is used to manufacture the plasma television. But there
3	Bright and dark spots	maybe points that do not illuminate, points that are too bright, and points with color
		different from that of the periphery. Please note that this is not a malfunction.
4	Picture Image	In some cases, residual images may remain after the short term display of still images
4	Picture Image	when the picture changes.
		when the picture changes.
	Display panel surface	The plasma display panel display images by means of electrical discharges inside the
5	Display panel surface	panel. This may cause the temperature of the panel surface to increase. Please note that
5	temperature is too high.
	temperature is too high.	this is not a malfunction.
		this is not a malfunction.

6	Plasma Surface	A reinforced glass filter is installed over the plasma panel surface. A strong impact to
6	Plasma Surface	the front panel risk a danger of glass breakage.
		the front panel risk a danger of glass breakage.

7		Please transport the plasma television in it's packing box and placed in an upright
7	Transportation	position. Do not transport the plasma television in a horizontal position. This increases
		the posibility of panel breakage and pixel failure.
8	Granular spots	When a screen is seen at point-blank range, a random fine grain may be visible in the
8	Granular spots	dark areas of the picture.
		dark areas of the picture.

9	High temperature	High temperature affect the electric discharge/luminescence characteristic of the PDP
9	environment	panel. Do not place the plasma television in high temperature environments.
	environment

10	Operation	Operating altitude: 700 to 1,114hPa (9,676ft to -2,484ft). Operating temperature: 41°F
		to 95°F.

11	Storage	Storage altitude: 300 to 1,114hPa (31,912ft to -2,484ft). Storage temperature: 5°F to
11	Storage	140°F
		140°F
12	Power ON or OFF	Repeatedly turning the plasma television Power ON and OFF at short intervals may
12	Power ON or OFF	result in failure of the television.
		result in failure of the television.

		The on-screen motion of an actor's lips or other moving object may not be in sync with
13	Lip sync	the associated audio heard from the TV's speakers. This is caused by timing differences
		in the broadcast signal or DVD content and is not caused by a defect in the television.

14	Control Buttons	There's a few seconds response delay on the control buttons (Control panel or R/C) after
	Response Delay	the TV is turned ON; due to TV start-up routine. Please note that this is not a TV malfunction.

P50T501, P55T551 specifications

The Hitachi P50T501 and P55T551 are two models from Hitachi's plasma television line, representing a blend of advanced technologies and design aimed at delivering an exceptional viewing experience. Both models cater to different screen sizes and preferences while sharing several core features and enhancements that make them appealing to consumers.

The Hitachi P50T501 boasts a 50-inch screen, while the P55T551 comes with a larger 55-inch display. The plasma technology utilized in these models provides rich color reproduction and deep black levels, essential for an immersive viewing experience. The high contrast ratio allows for excellent detail in both bright and dark scenes, making them ideal for movies and gaming alike.

One of the key features of these televisions is their resolution. Both models support Full HD 1080p resolution, which enhances picture clarity and detail. This high resolution is complemented by the unique Pixel Resolution Enhancement technology, allowing for the upscaling of lower resolution content to improve visual quality significantly.

The P50T501 and P55T551 are equipped with advanced image processing technologies, including 3D Y/C digital comb filter and motion picture enhancement, which ensure crisp images with minimal artifacts. These features are crucial for maintaining picture quality during fast-moving scenes, providing viewers with a smooth and enjoyable experience.

In terms of connectivity, both models come with multiple HDMI ports, allowing users to connect various devices such as gaming consoles, Blu-ray players, and streaming devices. The addition of USB ports enables easy access to multimedia content, while the built-in tuners support digital and analog broadcasting.

Sound quality is another area where these televisions excel. They incorporate built-in speakers designed to deliver clear and powerful audio, enhancing the overall viewing experience. Additionally, both models support advanced audio formats, allowing users to enjoy an immersive surround sound setup when connected to compatible external audio systems.

The sleek design of the Hitachi P50T501 and P55T551 makes them not only functional but also aesthetically pleasing, fitting seamlessly into any modern living space. With energy-efficient features, these models are designed to consume less power, making them a more eco-friendly choice for consumers.

Overall, the Hitachi P50T501 and P55T551 are solid choices for anyone seeking high-quality, feature-rich plasma televisions that deliver a compelling viewing experience, combining advanced technology with stylish design.

Hitachi P50T501, P55T551 manual Plasma Television Troubleshooting

Models: P50T501, P55T551

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